Abstract: A system and method of controlling an electronic expansion valve in a refrigeration system is provided. The system and method include providing an evaporator, a compressor, and an electronic expansion valve in a refrigeration circuit with a suction line between the evaporator and the compressor, determining a change rate at the suction line, determining a superheat value at the suction line if it is determined that the change rate is less than or equal to a change rate limit, and operating the electronic expansion valve based on the superheat value.

Abstract: A condensate drain pan including a drain pan surface, a front wall, including a front wall longitudinal axis, a rear wall, and opposing side walls. The front wall, the rear wall, and the opposing side walls extend from the drain pan surface. The front wall includes a first aperture and a second aperture. The first aperture and the second aperture include an aperture axis.

Abstract: A fan coil unit is provided including a cabinet formed from a plurality of panels. A fan assembly is configured to circulate air through the cabinet. A heat exchanger assembly is positioned within the cabinet. The heat exchanger assembly includes at least one heat exchanger coil arranged in a heat transfer relationship with the air circulating through the cabinet. An inner surface of at least one of the plurality of panels is partially lined with an elastomeric foam insulation so that the air circulating through the cabinet does not contact the portion of the at least one panel lined with the elastomeric foam insulation.

Abstract: A fan coil unit is provided including a cabinet formed from a plurality of panels. A fan assembly is configured to circulate air through the cabinet. A heat exchanger assembly is positioned within the cabinet. The heat exchanger assembly includes at least one heat exchanger coil arranged in a heat transfer relationship with the air circulating through the cabinet. An inner surface of at least one of the plurality of panels is partially lined with an elastomeric foam insulation so that the air circulating through the cabinet does not contact the portion of the at least one panel lined with the elastomeric foam insulation.

Abstract: A program guide, such as an electronic program guide (EPG), may be used to display information regarding upcoming scheduled transmissions of content. The display may include thumbnail images for selected groups of programs, and the images may be positioned in a pseudo-random location, and moved along a randomly generated trajectory on the display.

Abstract: A method of operating an electronic expansion valve of a heating, ventilation, air conditioning and refrigeration system includes detecting superheat of an evaporator of the heating, ventilation, air conditioning and refrigeration system and calculating a derivative of evaporator superheat with respect to time. The derivative of evaporator superheat with respect to time is compared to a selected derivative range, and the electronic expansion valve is closed at a rapid closure step increment higher than a normal closure step increment if the derivative is within the selected derivative range.

Abstract: A program guide, such as an electronic program guide (EPG), may be used to display information regarding upcoming scheduled transmissions of content. The display may include thumbnail images for selected groups of programs, and the images may be positioned in a pseudo-random location, and moved along a randomly generated trajectory on the display.

Abstract: A method of operating a variable speed compressor, the variable speed compressor in electrical communication with a computing element and the computing element in electrical communication with a sensing device, the method including operating the computing element to transmit a control signal to the compressor to operate in an operational mode, operating the computing element to receive outdoor air temperature data from the sensing device, operating the computing element to determine an operational run time value of the compressor based in part on the outside air temperature data, operating the computing element to determine an estimated day period based in part on the control signal, and operating the compressor at an operational speed based in part on the outdoor air temperature data, the operational run time value, and the estimated day period.

Abstract: A motor interface assembly configured to be operably coupled to a blower assembly, wherein the motor interface assembly is configured to measure a discharge air temperature, determine a difference between the discharge air temperature and a predetermined temperature, and operate the blower assembly based in part on the difference between the discharge air temperature and a predetermined temperature.

Abstract: A condensate drain pan including an inner front wall, an inner back wall and opposed inner side walls defining an inner perimeter, at least one outer front wall, an outer back wall and opposed outer side walls defining an outer perimeter. The condensate drain pan further includes at least one drain pan panel extending between the inner perimeter and the outer perimeter, at least one drain opening disposed in the outer front wall, and at least one coil conduit aperture disposed in the outer front wall configured to allow at least one coil conduit to be inserted therethrough.

Abstract: A condensate drain pan including an inner front wall, an inner back wall and opposed inner side walls defining an inner perimeter, at least two outer front walls, an outer back wall and opposed outer side walls defining an outer perimeter. The condensate drain pan further includes at least one drain pan panel extending between the inner perimeter and the outer perimeter, and at least one drain opening disposed in the outer front wall.

Abstract: An outdoor coil unit of a residential heating, ventilation, and air conditioning system includes a frame and a heat exchanger assembly mounted within the frame. The heat exchanger assembly includes at least one heat exchanger coil having a first header, a second header, and a plurality of heat exchange tube segments extending between and fluidly coupling the first header and the second header. The heat exchanger assembly is formed into a shape including at least one apex. A fan assembly is mounted to the frame and includes at least one fan operable to draw air into the outdoor coil unit through the at least one heat exchanger coil and discharge the a qr outside of the outdoor coil unit.

Abstract: A system and method of controlling an electronic expansion valve in a refrigeration system is provided. The system and method include providing an evaporator, a compressor, and an electronic expansion valve in a refrigeration circuit with a suction line between the evaporator and the compressor, determining a change rate at the suction line, determining a superheat value at the suction line if it is determined that the change rate is less than or equal to a change rate limit, and operating the electronic expansion valve based on the superheat value.

Abstract: An electric heat coil assembly for use adjacent a heat exchanger assembly in a fan coil unit is provided including at least one electric heat coil. A mount plate supports the at least one electric heat coil such that the at least one electric heat coil extends from the mount plate. The mount plate includes an edge configured to connect to the heat exchanger assembly. At least one relay is coupled to the at least one electric heat coil. The at least one relay selectively applies power to the electric heat coil.

Abstract: An acoustic treatment for an indoor HVAC component is provided having an inner liner and at least one aperture formed through the inner liner. An acoustic absorber is positioned adjacent the inner liner. A gap, including a width dimension, is formed between the inner liner and the acoustic absorber.

Abstract: An auxiliary heating assembly for use with a residential air handler including a fan assembly, the auxiliary heating assembly includes a heating apparatus arranged in a geometric shape, wherein the heating apparatus includes an opening, the opening substantially position in a center of the geometric shape.

Abstract: A condensate drain pan including an inner front wall, an inner back wall and opposed inner side walls defining an inner perimeter, at least one outer front wall, an outer back wall and opposed outer side walls defining an outer perimeter. The condensate drain pan further includes at least one drain pan panel extending between the inner perimeter and the outer perimeter, at least one drain opening disposed in the outer front wall, and at least one coil conduit aperture disposed in the outer front wall configured to allow at least one coil conduit to be inserted therethrough.

Abstract: An indoor coil including at least one coil slab. The at least one coil slab including a pair of coil slab end surfaces extending between a pair coil slab faces, a coil slab axis, and a plurality of conduits, operably coupled to one another, disposed therein. One of the pair of coil slab end surfaces forms an angle greater than or equal to 45 degrees and less than 90 degrees with the coil slab axis, and the plurality of conduits are arranged in a staggered configuration.

Abstract: A condensate drain pan including a drain pan panel, including a panel interior side and a panel exterior side, a channel member formed on the panel exterior side, a front wall, a rear wall, and opposing side walls. The front wall, rear wall and opposing side walls extend from the drain pan panel to form a receptacle, and the front wall includes a first aperture and a second aperture in the front wall.

Abstract: A condensate drain pan including a front wall, including a front wall longitudinal axis, a rear wall, and opposing side walls extending from a drain pan surface. The front wall includes a first aperture and a second aperture, including an aperture axis, wherein the aperture axis forms an angle less than 90 degrees with the front wall longitudinal axis.